.content :deep {
  :root {
    --side-bar-bg-color: #fff;
    --control-text-color: #777;
    --font-sans-serif: 'Ubuntu', 'Source Sans Pro', sans-serif !important;
    --font-monospace: 'Fira Code', 'Roboto Mono', monospace !important;
  }

  #write {
    max-width: 860px;
    margin: 0 auto;
    padding: 20px 30px 100px;
  }

  #write p {
    line-height: 1.6rem;
    word-spacing: 0.05rem;
  }

  #write ol li {
    padding-left: 0.5rem;
  }

  #write>ul:first-child,
  #write>ol:first-child {
    margin-top: 30px;
  }

  body>*:first-child {
    margin-top: 0 !important;
  }

  body>*:last-child {
    margin-bottom: 0 !important;
  }

  a {
    color: #42b983;
    font-weight: 600;
    padding: 0 2px;
    text-decoration: none;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    position: relative;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-weight: bold;
    line-height: 1.4;
    cursor: text;
  }

  h1:hover a.anchor,
  h2:hover a.anchor,
  h3:hover a.anchor,
  h4:hover a.anchor,
  h5:hover a.anchor,
  h6:hover a.anchor {
    text-decoration: none;
  }

  h1 tt,
  h1 code {
    font-size: inherit !important;
  }

  h2 tt,
  h2 code {
    font-size: inherit !important;
  }

  h3 tt,
  h3 code {
    font-size: inherit !important;
  }

  h4 tt,
  h4 code {
    font-size: inherit !important;
  }

  h5 tt,
  h5 code {
    font-size: inherit !important;
  }

  h6 tt,
  h6 code {
    font-size: inherit !important;
  }

  h2 a,
  h3 a {
    color: #34495e;
  }

  h1 {
    padding-bottom: 0.4rem;
    font-size: 2.2rem;
    line-height: 1.3;
  }

  h2 {
    font-size: 1.75rem;
    line-height: 1.225;
    margin: 35px 0 15px;
    padding-bottom: 0.5em;
    border-bottom: 1px solid #ddd;
  }

  h3 {
    font-size: 1.4rem;
    line-height: 1.43;
    margin: 20px 0 7px;
  }

  h4 {
    font-size: 1.2rem;
  }

  h5 {
    font-size: 1rem;
  }

  h6 {
    font-size: 1rem;
    color: #777;
  }

  p,
  blockquote,
  ul,
  ol,
  dl,
  table {
    margin: 0.8em 0;
  }

  li>ol,
  li>ul {
    margin: 0 0;
  }

  hr {
    height: 2px;
    padding: 0;
    margin: 16px 0;
    background-color: #e7e7e7;
    border: 0 none;
    overflow: hidden;
    box-sizing: content-box;
  }

  body>h2:first-child {
    margin-top: 0;
    padding-top: 0;
  }

  body>h1:first-child {
    margin-top: 0;
    padding-top: 0;
  }

  body>h1:first-child+h2 {
    margin-top: 0;
    padding-top: 0;
  }

  body>h3:first-child,
  body>h4:first-child,
  body>h5:first-child,
  body>h6:first-child {
    margin-top: 0;
    padding-top: 0;
  }

  a:first-child h1,
  a:first-child h2,
  a:first-child h3,
  a:first-child h4,
  a:first-child h5,
  a:first-child h6 {
    margin-top: 0;
    padding-top: 0;
  }

  h1 p,
  h2 p,
  h3 p,
  h4 p,
  h5 p,
  h6 p {
    margin-top: 0;
  }

  li p.first {
    display: inline-block;
  }

  ul,
  ol {
    padding-left: 30px;
  }

  ul:first-child,
  ol:first-child {
    margin-top: 0;
  }

  ul:last-child,
  ol:last-child {
    margin-bottom: 0;
  }

  blockquote {
    border-left: 4px solid #42b983;
    padding: 10px 15px;
    color: #777;
    background-color: rgba(66, 185, 131, 0.1);
  }

  table {
    padding: 0;
    word-break: initial;
  }

  table tr {
    border-top: 1px solid #dfe2e5;
    margin: 0;
    padding: 0;
  }

  table tr:nth-child(2n),
  thead {
    background-color: #fafafa;
  }

  table tr th {
    font-weight: bold;
    border: 1px solid #dfe2e5;
    border-bottom: 0;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
  }

  table tr td {
    border: 1px solid #dfe2e5;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
  }

  table tr th:first-child,
  table tr td:first-child {
    margin-top: 0;
  }

  table tr th:last-child,
  table tr td:last-child {
    margin-bottom: 0;
  }

  #write strong {
    padding: 0 1px;
  }

  #write em {
    padding: 0 5px 0 2px;
  }

  #write table thead th {
    background-color: #f2f2f2;
  }

  #write .CodeMirror-gutters {
    border-right: none;
  }

  #write .md-fences {
    border: 1px solid #f4f4f4;
    -webkit-font-smoothing: initial;
    margin: 0.8rem 0 !important;
    padding: 0.3rem 0 !important;
    line-height: 1.43rem;
    background-color: #f8f8f8 !important;
    border-radius: 2px;
    font-family: var(--font-monospace);
    font-size: 0.85rem;
    word-wrap: normal;
  }

  #write .CodeMirror-wrap .CodeMirror-code pre {
    padding-left: 12px;
  }

  #write code,
  tt {
    padding: 2px 4px;
    border-radius: 2px;
    font-family: var(--font-monospace);
    font-size: 0.92rem;
    color: #e96900;
    background-color: #f8f8f8;
  }

  tt {
    margin: 0 2px;
  }

  #write .md-footnote {
    background-color: #f8f8f8;
    color: #e96900;
  }

  /* heighlight. */
  #write mark {
    background-color: #ebffeb;
    border-radius: 2px;
    padding: 2px 4px;
    margin: 0 2px;
    color: #222;
    font-weight: 500;
  }

  #write del {
    padding: 1px 2px;
  }

  .cm-s-inner .cm-link,
  .cm-s-inner.cm-link {
    color: #22a2c9;
  }

  .cm-s-inner .cm-string {
    color: #22a2c9;
  }

  .md-task-list-item>input {
    margin-left: -1.3em;
  }

  @media print {
    html {
      font-size: 13px;
    }

    table,
    pre {
      page-break-inside: avoid;
    }

    pre {
      word-wrap: break-word;
    }
  }

  pre {
    white-space: normal !important;
  }

  .md-fences {
    background-color: #f8f8f8;
  }

  .md-diagram-panel {
    position: static !important;
  }

  #write pre.md-meta-block {
    padding: 1rem;
    font-size: 85%;
    line-height: 1.45;
    background-color: #f7f7f7;
    border: 0;
    border-radius: 3px;
    color: #777777;
    margin-top: 0 !important;
  }

  .mathjax-block>.code-tooltip {
    bottom: 0.375rem;
  }

  #write>h3.md-focus:before {
    left: -1.5625rem;
    top: 0.375rem;
  }

  #write>h4.md-focus:before {
    left: -1.5625rem;
    top: 0.285714286rem;
  }

  #write>h5.md-focus:before {
    left: -1.5625rem;
    top: 0.285714286rem;
  }

  #write>h6.md-focus:before {
    left: -1.5625rem;
    top: 0.285714286rem;
  }

  .md-image>.md-meta {
    border-radius: 3px;
    font-family: var(--font-monospace);
    padding: 2px 0 0 4px;
    font-size: 0.9em;
    color: inherit;
  }

  .md-tag {
    color: inherit;
  }

  .md-toc {
    margin-top: 20px;
    padding-bottom: 20px;
  }

  .sidebar-tabs {
    border-bottom: none;
  }

  #typora-quick-open {
    border: 1px solid #ddd;
    background-color: #f8f8f8;
  }

  #typora-quick-open-item {
    background-color: #fafafa;
    border-color: #fefefe #e5e5e5 #e5e5e5 #eee;
    border-style: solid;
    border-width: 1px;
  }

  #md-notification:before {
    top: 10px;
  }

  /** focus mode */

  .on-focus-mode blockquote {
    border-left-color: rgba(85, 85, 85, 0.12);
  }

  header,
  .context-menu,
  .megamenu-content,
  footer {
    font-family: var(--font-sans-serif);
  }

  .file-node-content:hover .file-node-icon,
  .file-node-content:hover .file-node-open-state {
    visibility: visible;
  }

  .mac-seamless-mode #typora-sidebar {
    background-color: var(--side-bar-bg-color);
  }

  .md-lang {
    color: #b4654d;
  }

  .html-for-mac .context-menu {
    --item-hover-bg-color: #e6f0fe;
  }
}